-5.49% is the change from 856 to 809
Calculation steps:
[( 809 - 856 ) ÷ 856] x 100 = -5.49%
Formula
Percentage change = [(809 - 856) / 856] x 100
Subtract the new number by the original number
809 - 856 = -47
-47 ÷ 856 = -0.054906542056074766
-0.054906542056074766 x 100 = -5.49%